21681716644512

Names of 21681716644512

• Cardinal: 21681716644512 can be written as Twenty-one trillion, six hundred eighty-one billion, seven hundred sixteen million, six hundred forty-four thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1681716644512 × 10¹³

Factors of 21681716644512

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 339

Divisors of 21681716644512

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 47 48 51 68 72 94 96 102 113 136 141 144 153 157 188 204 226 272 282 288 306 314 339 376 408 423 452 471 544 564 612 628 678 752 799 816 846 904 942 1017 1128 1224 1256 1356 1413 1504 1598 1632 1692 1808 1884 1921 2034 2209 2256 2397 2448 2512 2669 2712 2826 3196 3384 3616 3768 3842 4068 4418 4512 4794 4896 5024 5311 5338 5424 5652 5763 6392 6627 6768 7191 7379 7536 7684 8007 8136 8836 9588 10622 10676 10848 11304 11526 12769 12784 13254 13536 14382 14758 15072 15368 15933 16014 16272 17289 17672 17741 19176 19881 21244 21352 22137 22608 23052 24021 25538 25568 26508 28764 29516 30736 31866 32028 32544 34578 35344 35482 37553 38307 38352 39762 42488 42704 44274 45216 46104 47799 48042 51076 53016 53223 57528 59032 61472 63732 64056 66411 69156 70688 70964 75106 76614 76704 79524 84976 85408 88548 90287 92208 95598 96084 102152 106032 106446 112659 114921 115056 118064 125443 127464 128112 132822 138312 141928 150212 153228 159048 159669 169952 177096 180574 184416 191196 192168 204304 212064 212892 217073 225318 229842 230112 236128 249617 250886 254928 256224 265644 270861 276624 283856 300424 301597 306456 318096 319338 337977 346813 354192 361148 376329 382392 384336 408608 425784 434146 450636 459684 499234 501772 509856 531288 541722 553248 567712 600143 600848 603194 612912 636192 638676 651219 675954 693626 708384 722296 748851 752658 764784 768672 812583 833827 851568 868292 901272 904791 919368 998468 1003544 1040439 1062576 1083444 1128987 1200286 1201696 1206388 1225824 1277352 1302438 1351908 1387252 1444592 1497702 1505316 1529568 1625166 1667654 1703136 1736584 1800429 1802544 1809582 1838736 1953657 1996936 2004733 2007088 2080878 2125152 2166888 2246553 2257974 2400572 2412776 2501481 2554704 2604876 2703816 2714373 2774504 2889184 2995404 3010632 3121317 3250332 3335308 3473168 3600858 3605088 3619164 3677472 3907314 3993872 4009466 4014176 4161756 4243489 4333776 4493106 4515948 4801144 4825552 5002962 5109408 5209752 5401287 5407632 5428746 5549008 5895821 5990808 6014199 6021264 6242634 6500664 6670616 6946336 7201716 7238328 7504443 7814628 7987744 8018932 8323512 8486978 8667552 8986212 9031896 9602288 9651104 10005924 10202431 10419504 10802574 10815264 10857492 11098016 11791642 11981616 12028398 12042528 12485268 12730467 13001328 13341232 14175059 14403432 14476656 15008886 15629256 16037864 16647024 16973956 17687463 17972424 18042597 18063792 19204576 20011848 20404862 20839008 21605148 21714984 23583284 23963232 24056796 24970536 25460934 26002656 26682464 28206721 28350118 28806864 28953312 30017772 30607293 31258512 32075728 33294048 33947912 34080461 35374926 35944848 36085194 36127584 38191401 39189869 40023696 40809724 42525177 43210296 43429968 47166568 48113592 49941072 50921868 53062389 56413442 56700236 57613728 60035544 61214586 62517024 64151456 67895824 68160922 70749852 71889696 72170388 76382802 78379738 80047392 81619448 84620163 85050354 86420592 86859936 91821879 94222451 94333136 96227184 99882144 101843736 102241383 106124778 112826884 113400472 117569607 120071088 122429172 127575531 135791648 136321844 141499704 144340776 152765604 156759476 163238896 169240326 170100708 172841184 183643758 188444902 188666272 192454368 203687472 204482766 212249556 225653768 226800944 235139214 240142176 244858344 253860489 255151062 272643688 282667353 282999408 288681552 305531208 306724149 313518952 326477792 338480652 340201416 352708821 367287516 376889804 407374944 408965532 424499112 451307536 453601888 470278428 479514257 489716688 507720978 510302124 545287376 565334706 565998816 577363104 611062416 613448298 627037904 666227773 676961304 680402832 705417642 734575032 753779608 817931064 848002059 848998224 902615072 940556856 959028514 979433376 1015441956 1020604248 1090574752 1130669412 1222124832 1226896596 1254075808 1332455546 1353922608 1360805664 1410835284 1438542771 1469150064 1507559216 1601781667 1635862128 1696004118 1697996448 1881113712 1918057028 1998683319 2030883912 2041208496 2261338824 2453793192 2664911092 2707845216 2821670568 2877085542 2938300128 3015118432 3203563334 3271724256 3392008236 3762227424 3836114056 3997366638 4061767824 4082416992 4315628313 4428455197 4522677648 4805345001 4907586384 5329822184 5643341136 5754171084 5996049957 6407126668 6784016472 7672228112 7994733276 8123535648 8631256626 8856910394 9045355296 9610690002 9815172768 10659644368 11286682272 11508342168 11992099914 12814253336 13285365591 13568032944 14416035003 15344456224 15989466552 17262513252 17713820788 19221380004 21319288736 23016684336 23984199828 25628506672 26570731182 27136065888 28832070006 31978933104 34525026504 35427641576 38442760008 39856096773 46033368672 47968399656 51257013344 53141462364 57664140012 63957866208 69050053008 70855283152 75283738349 76885520016 79712193546 95936799312 106282924728 115328280024 138100106016 141710566304 150567476698 153771040032 159424387092 191873598624 212565849456 225851215047 230656560048 301134953396 318848774184 425131698912 451702430094 461313120096 602269906792 637697548368 677553645141 903404860188 1204539813584 1275395096736 1355107290282 1806809720376 2409079627168 2710214580564 3613619440752 5420429161128 7227238881504 10840858322256 21681716644512
• Sum of all divisors σ(n): 67727034454716
• Sum of proper divisors (its aliquot sum) s(n): 46045317810204
• 21681716644512 is an abundant number, because the sum of its proper divisors (46045317810204) is greater than itself. Its abundance is 24363601165692

Bases of 21681716644512

• Binary: 100111011100000101011000001001100101010100000₂
• Hexadecimal: 0x13B82B04CAA0
• Base-36: 7OOFYA940

Squares and roots of 21681716644512

• 21681716644512 squared (21681716644512²) is 470096836652908700579718144
• 21681716644512 cubed (21681716644512³) is 10192506407789809404737976586290404425728
• The square root of 21681716644512 is 4656363.0275690489
• The cube root of 21681716644512 is 27884.6087196287

Scales and comparisons

• 21,681,716,644,512 seconds is equal to 689,411 years, 27 weeks, 1 day, 11 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,681,716,644,512 would take you about one million, seven hundred twenty-three thousand, five hundred twenty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21681716644512 cubic inches would be around 2323.7 feet tall.

Recreational maths with 21681716644512

• 21681716644512 backwards is 21544661718612
• The number of decimal digits it has is: 14
• The sum of 21681716644512's digits is 54
• More coming soon!